Home / 52,329.88-78,470.20-19,026.48

Finding the Fourth Proportional to 52,329.88, 78,470.20 and 19,026.48

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Solution

The fourth proportional to 52,329.88, 78,470.20 and 19,026.48 is: 28,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,329.88 : 78,470.20 = 19,026.48 : x
  2. Step 2: Convert to fraction form
    52,329.88/78,470.20 = 19,026.48/x
  3. Step 3: Cross multiply
    52,329.88x = 78,470.20 × 19,026.48
  4. Step 4: Simplify right side
    52,329.88x = 1,493,011,690.90
  5. Step 5: Solve for x
    x = 1,493,011,690.90/52,329.88
  6. Step 6: Final answer
    x = 28,530.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.